Alwin nieske



(No Model.) ,A. NIESKE.

W ARMTR RESERVOIR FOR EMITTING HEAT.

Patented Sept. 20,1881.

1o which will enable others skilled in the art to ALVVIN NIE SKE, F DR NITED STATES ESDEN, SAXONY, GERMANY.

wsamre s essevoia son swntriso Hear.

..srncrrrcn'rron forming part of Letters Patent No. 247,393, eatease te bel- 20, 1881.

Application filed May 1881.

"To all wildcat-may concern Be it known that I, ALWIN NI sKn, chernj ist, a subject of the'Kingdom of Saxony, in the )German Empire,

1 r Empire aforesaid, have invented 'certain new residingat the city of Dresden, 1n the Kingdom of Saxony and German ,fand useful Improvements in Warmth-Rosier voirs for EmittingHeat foraLongPeriod; and

I do hereby declare that the following is a full, clear, and exact description of the invention,

which it appertains to make and use the same. a This invention relates to the'manufacture and construction of warmth-reservoirs, which i {which said sodaic ofretaining warmth for a long time, a'n'd slowly .LQQIhtnunicati'ngIthelatent warmth of the said salts to their surroundings, and which said invarious purposes.

said reservoirs, vessels, or receptacles are filled with sodaicsalts in certain given proportions, salts possess the property yention is therefore suited for application to Many experiments in laboratories have p'roved'that some of the sodaic salts, after being heated, retain their latent warmththat is, they only emit or give ofl'their warmth as they slowly crystallize. There are in especial two salts which are admirably suited to this purpose: first, hyposulphite of soda,vand, second, acetate of soda. The first-named salt (hyposulphite of soda) has the property of melting easier than the latter, (acetate of soda.) Gonsequently, when this said h y p'osulphite of soda is mixed with acetate of soda, the former prevents the latter t'rom crystallizin g too rapidly. The two salts combine and form a permanent filling, so that the reservoirs, vessels, or receptacles containing the same can he soldered down, and thus hermetically closed.

I have found it preferable to employ the following proportion of the aforcnamed salts-- that is, one part hyposnlphite of soda to ten parts acetate of soda.

The warmth reservoirs or receptacles are r filled to about three parts full and the lid sol- Figure 1 is a vertical (No model.)

requirements of the situation, without departing from the tenorof my invention. 1

section, and Fig. 2 is a horizontal" section, of a stove which is admirably hospitals, sick-rooms, otfic'es, dwelling and otherrooms. The said stove is placed on three feet, with casters, so as to enable the said stove to be easily transported from one place to another.

A. is a vessel of cylindrical or othcrsni'taihle form. B is a perloratedmantle, forming the outer walls of the stove. The vessels, receptacles, or warmtlrrescrvoirs G, filled with the sodaic salts above named, are arranged between the vessel A and the perforated mantle B of the stove; The warmth-rcscrvoirs are of such size that they can'be inserted in the central vessel, A, by means of their-handles l).

The stove is closed by the cap l and lid 1 which can be readily removcll. The water in the vessel A can be brought to a'boilinQ-point by means of. the burner cm the endll of which said burner a tube of elastic orotller suitable material is attached, which saiil tube is in connection'with a suitable gas-pipe.

"As soon as the water in the vessel A has been brought up to the boiling-point, the vessels, receptacles, or reservoirs U, which contain the al'orenamed sodaic salts, are inserted in the said vessel A until the salts contained in the reservoir 0 are melted. The reservoirs are now replaced in their former position, between cylinder and mantle, and emit the warmth contained in the same so gradually and. equably that the filling, even after a lapse of from ten to twelve hours, is found to be warm.

The cylinder or vessel A can be entirely re moved from the stove, and the warmth-reservoirs heated, or the sodaic salts contained in the same melted in any suitable boiler or similar receptacle, or the vessel G can be heated in any other suitable room. The cylindrical vessel A is for this purpose provided with a projecting ring or flange, I, which lies on three supports or brackets, K, the brackets also serving to preventanygreat movementot'the rescrvoirs C.

The evaporation of the water in the vessel A possesses the greatadvantage that it moistens the air in the room.

20 The same can be covered with carpet and be Figs. 3, 4, and 5 show my inventioh as applied to foot-warmers for railway-carriages. Forsuch foot-warmers I employ tubin g or pipes running through the filling, so as to attain a greater surface for the emission of warmth.

Such foot-warmers retain their warming properties for about twelve hours.

7 Figs. 6 and 7- show a stomach and back warmer, which is carried next the body, under the clothing, for medicinal purposes, Stomach, chest, and other warmers can be employed I with the same filling, and are admirably adaptved for employment iuho'spitals, sick-rooms,

and such like, The warmth emitted by these" warmth-ree'rvoirsdt' especially beneficial to patients, as the heat remains equable, continues for several hours, and is not only agreeable, but also beneficial.

Figs. 8 and 9 represent a universal warmthreservoir, by which the handle is countersunk;-

same within a nickeled ball, whichoau be easily carried in-a mnh, fur, overcoat,-&c.,,,and can be held in the hand while skating,.-ridihg,-driv ing, walking, and so on in cold weather; {These said balls, filled with sod in hot waterfor asuitable per retain their heati fora fiery long time and emit.

great warmth they prove a most agreeable acquisition for'travelers, &c., in winter.;

to permit closed receptacles,-each containing afilling of 6 hypos'ulphite'of soda and acetate of soda, comas'mea These warmth-reservoirs can also be most advantageously employed for artificial breed- 4o ing apparatus or incubators, as the warmth re-- I mains continuously the same, and istherefore the very best substitute for the natural warmth oftheblood. v j i These warmth-reservoirs can also be applied 4 to the most various, household purposes, and in hotels for warming plates, 8tc.,-or for keep;

lug food warm when meal a take-n out. doors, y v v ma eta-eastern at.

. Lam, however, posed to usevarious substances as a'fillin g for boxes designed riages, among which acetate of soda has been mentioned, and I do not "therefore tilaim', hriiadly, the use of this or any particular sodaic sat. 1

' Ido not broadlyclaimthechemieal compound of hyposulphite'ot'soda and. acetate of soda in the proportions'indicated; but f a 4 What -I do claim and desire 'to' have protected by Letters Patent, is-- 1.,Iu a heating apparatus, the combination ot a suitable inclosing-case having openings the escape of heat and'oueor'moreblood in-about the proportions specified. 2. In a heatingapparatuafthe water-resert'oir'A, and burner can combination with the warmth-reservoir C, containing-an easily-fuse r it substance, substantiallyas-described..--

Witnesses:

O'rfre WOLFE, R1011; DANGER.

to supply heat'forrail'way-car 

